11531002 has 8 divisors (see below), whose sum is σ = 19767456. Its totient is φ = 4941852.

The previous prime is 11530999. The next prime is 11531011. The reversal of 11531002 is 20013511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411808 + ... + 411835.

It is an arithmetic number, because the mean of its divisors is an integer number (2470932).

Almost surely, 2^11531002 is an apocalyptic number.

11531002 is a deficient number, since it is larger than the sum of its proper divisors (8236454).

11531002 is an equidigital number, since it uses as much as digits as its factorization.

11531002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823652.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 11531002 is about 3395.7329105806. The cubic root of 11531002 is about 225.9205218219.

Adding to 11531002 its reverse (20013511), we get a palindrome (31544513).

The spelling of 11531002 in words is "eleven million, five hundred thirty-one thousand, two".